Putter head



FIG. 1 is a front perspective view of my new design for a putter head;

FIG. 2 is a front view thereof;

FIG. 3 is a back perspective view thereof; and,

FIG. 4 is a back view thereof.

The portion of the club head shown in phantom does not form any portion of the present invention. 

The ornamental design for a putter head, as shown and described. 